Parapneumonic effusions and empyema.

  title={Parapneumonic effusions and empyema.},
  author={Richard W. Light},
  journal={Proceedings of the American Thoracic Society},
  volume={3 1},
Parapneumonic effusions occur in 20 to 40% of patients who are hospitalized with pneumonia. The mortality rate in patients with a parapneumonic effusion is higher than that in patients with pneumonia without a parapneumonic effusion. Some of the excess mortality is due to mismanagement of the parapneumonic effusion. Characteristics of patients that indicate that an invasive procedure will be necessary for its resolution include the following: an effusion occupying more than 50% of the… CONTINUE READING